Home / 1,545.16-2,317.32-449.24

Finding the Fourth Proportional to 1,545.16, 2,317.32 and 449.24

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Solution

The fourth proportional to 1,545.16, 2,317.32 and 449.24 is: 673.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.16 : 2,317.32 = 449.24 : x
  2. Step 2: Convert to fraction form
    1,545.16/2,317.32 = 449.24/x
  3. Step 3: Cross multiply
    1,545.16x = 2,317.32 × 449.24
  4. Step 4: Simplify right side
    1,545.16x = 1,041,032.84
  5. Step 5: Solve for x
    x = 1,041,032.84/1,545.16
  6. Step 6: Final answer
    x = 673.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.